A primary verb; used only in certain past tenses, the others being borrowed from the equivalent, G3700 and G3708; properly to see (literally or figuratively); by implication (in the perfect only) to know: - be aware, behold, X can (+ not tell), consider, (have) known (-ledge), look (on), perceive, see, be sure, tell, understand, wist, wot. Compare G3700.